40000345198 has 48 divisors (see below), whose sum is σ = 67670418816. Its totient is φ = 17584877520.

The previous prime is 40000345193. The next prime is 40000345201. The reversal of 40000345198 is 89154300004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000345193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4185061 + ... + 4194607.

It is an arithmetic number, because the mean of its divisors is an integer number (1409800392).

Almost surely, 2^40000345198 is an apocalyptic number.

40000345198 is a deficient number, since it is larger than the sum of its proper divisors (27670073618).

40000345198 is a wasteful number, since it uses less digits than its factorization.

40000345198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749 (or 9706 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 40000345198 in words is "forty billion, three hundred forty-five thousand, one hundred ninety-eight".